Zobrazeno 1 - 10
of 261 645
pro vyhledávání: '"Electrical and Electronics"'
Publikováno v:
Zhejiang dianli, Vol 43, Iss 11, Pp 3-14 (2024)
As the capacity of renewable power plants connected to the grid increases year by year, optimizing the control strategies for their converters becomes crucial for enhancing system stability. Currently, the primary control strategies in renewable
Externí odkaz:
https://doaj.org/article/a0b2267c62874412b535cd98f880158a
Publikováno v:
Zhejiang dianli, Vol 43, Iss 11, Pp 116-122 (2024)
To address the difficulty in convergence encountered in power flow calculations of integrated electricity-gas energy systems using the traditional Newton-Raphson method for state evaluation and safety checks, this paper proposes a power flow calcul
Externí odkaz:
https://doaj.org/article/52dbb4a436d94b7c8d7026bd5126278f
Publikováno v:
Zhejiang dianli, Vol 43, Iss 11, Pp 36-46 (2024)
The super capacitor energy storage (SCES) system based on modular multilevel converter (MMC) is one of the key technologies for addressing issues with the grid integration of large-scale renewable energy. However, differences in supercapaci
Externí odkaz:
https://doaj.org/article/33d5142f465f451c9edca2450f669279
Publikováno v:
Zhejiang dianli, Vol 43, Iss 11, Pp 74-89 (2024)
To expedite the restoration of high-penetration new energy power systems following outages, a partitioning method for parallel restoration is proposed. This method takes into account the characteristics of new energy output. Multi-time-step series
Externí odkaz:
https://doaj.org/article/1d26738d3eb44f37b7f437920d651017
Publikováno v:
Zhejiang dianli, Vol 43, Iss 11, Pp 47-56 (2024)
The VSC-HVDC transmission systems are the typical solution for integrating far offshore wind power. Using diode rectifier units (DRUs) at the rectifier stations can further enhance the system’s economic efficiency and reliability. Therefore,
Externí odkaz:
https://doaj.org/article/4d636dbf916846c396fbdc09f6a9e1d4
Publikováno v:
Zhejiang dianli, Vol 43, Iss 11, Pp 97-105 (2024)
To address the issues of noise sensitivity and over-decomposition when decomposing harmonic signals using empirical wavelet transform (EWT), a method based on adaptive wavelet denoising and improved EWT is proposed for detecting harmonics and i
Externí odkaz:
https://doaj.org/article/94d16e5dc74a4b7f88dbee465c407f74
Publikováno v:
Zhejiang dianli, Vol 43, Iss 11, Pp 57-64 (2024)
Smoothing output power fluctuations of wind power generation systems is crucial for the stable operation of power grid. Based on the port-controlled Hamiltonian (PCH) model, an integrated control strategy for rotor speed tracking and power smoo
Externí odkaz:
https://doaj.org/article/75923dd2a8f4483c8074d8eb8956af58
Publikováno v:
Zhejiang dianli, Vol 43, Iss 11, Pp 106-115 (2024)
To effectively address the impact of uncertainties in wind turbine output on the safe and economical operation of microgrids, this paper proposes a two-stage distributed robust optimal scheduling model for microgrids that accounts for these uncerta
Externí odkaz:
https://doaj.org/article/a5ae51f705984f8ab17c2183620ae9b1
Publikováno v:
Zhejiang dianli, Vol 43, Iss 11, Pp 90-96 (2024)
The new cyber-physical power system is crucial for achieving dual carbon goals. However, novel false data injection attacks targeting state estimation can bypass existing security detection mechanisms, significantly challenging the secure operati
Externí odkaz:
https://doaj.org/article/bb2031d15d2a4c52bac8ee39be4c94c5
Publikováno v:
Zhejiang dianli, Vol 43, Iss 11, Pp 65-73 (2024)
Under the same conditions, the ground capacitance of high-voltage AC submarine cables is over 20 times greater than that of overhead lines, making resonance phenomena more likely during no-load closing of submarine cables. This paper addresses an
Externí odkaz:
https://doaj.org/article/ee3193d838b54f15abd5ee502f8cfeeb